1. Eurostats Ageing Europe—Statistics on Population Developments—Statistics Explainedhttps://ec.europa.eu/eurostat/statistics-explained/index.php/Ageing_Europe_-_statistics_on_population_developments#Older_peple.E2.80.94_global_developments
2. Meeting the Challenge of Ageing in the European Unionhttp://actuary.eu/
3. Life Expectancy at Age 60 Yearshttps://www.who.int/data/gho/data/indicators/indicator-details/GHO/life-expectancy-at-age-60-(years)
4. Health Systems that Meet the Needs of Older Peoplehttps://www.who.int/ageing/health-systems/en/
5. Ageing and Healthhttps://www.who.int/news-room/fact-sheets/detail/ageing-and-health